What is the final step in a muscle contraction?
What will be an ideal response?
Answer: Myosin head will pull actin head past
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Neurons of which nervous system relay information about the external environment to the brain?
a. central b. somatic c. autonomic d. sympathetic e. parasympathetic
A developing nation with a rapidly increasing population is reaching its carrying capacity. What change(s) could allow it to increase its carrying capacity? (Check all that apply)
_____ a cultural shift to eating less meat _____ education for women _____ greater yield from agricultural crops _____ increased availability of birth control _____ water treatment plants Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about the carrying capacity of a population? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
For the study of a protein in detail, an effort is usually made to first:
A) conjugate the protein to a known molecule. B) determine its amino acid composition. C) determine its amino acid sequence. D) determine its molecular weight. E) purify the protein.
The nuclear lamina is built of proteins called
a. lamins. b. laminins. c. nucleins. d. nucleoplasmins.